Quarterly report pursuant to Section 13 or 15(d)

Financings - Additional Information (Detail)

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Financings - Additional Information (Detail) (USD $)
0 Months Ended 9 Months Ended 1 Months Ended
Aug. 20, 2014
Sep. 30, 2014
Aug. 20, 2014
Oct. 24, 2013
Subsidiary One
Dec. 31, 2013
Subsidiary One
Financing Activities and Borrowing Arrangements [Line Items]          
Accounts receivable financing arrangements, maximum available amount for borrowing       $ 2,000,000  
Maximum Percentage of borrowing against eligible accounts receivable       85.00%  
Accounts receivable financing arrangements, interest rate spread on prime rate   1.75%      
Accounts receivable financing arrangements, maximum interest rate   5.00%      
Annual fee on the accounts receivable financing arrangements   1.00%      
Monthly maintenance fee on the accounts receivable financing arrangements   0.50%      
Borrowings under accounts receivable financing arrangements         900,000
Line of credit facility, maximum borrowing amount     25,000,000    
Bank loan payable   $ 12,893,000      
Debt instrument agreement period 3 years        
Debt instrument repayment date Aug. 20, 2017 Apr. 01, 2016